UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 27 DEC 25 Station: SBCT WMO ident: 83840 Latitude: -25.52 Longitude: -49.17 Elevation: 908.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 115 1 925 810 SFC 915 908 25.6 20.6 74 5.0 22.0 10 5 306.4 309.6 298.2 357.3 16.93 3 898 1072 23.0 18.7 77 4.3 19.9 344 8 305.4 308.2 296.9 351.1 15.29 4 877 1277 22.2 17.2 73 5.0 18.7 319 10 306.6 309.3 296.5 349.4 14.22 5 866 1386 23.0 15.0 61 8.0 17.5 317 11 308.6 310.9 295.8 346.4 12.48 6 850 1548 21.6 14.6 64 7.0 16.8 315 11 308.8 311.1 295.8 346.4 12.39 7 728 2876 13.6 3.6 51 10.0 7.8 268 16 314.0 315.3 293.2 335.4 6.82 8 700 3206 11.0 3.0 58 8.0 6.4 260 15 314.7 316.0 293.3 336.0 6.80 9 690 3326 10.2 4.2 66 6.0 6.6 260 15 315.1 316.5 294.0 338.7 7.52 10 674 3521 9.6 -1.4 46 11.0 3.7 260 14 316.5 317.5 292.5 332.9 5.13 11 602 4449 2.8 -1.2 75 4.0 0.7 259 10 319.1 320.2 293.7 337.8 5.83 12 552 5147 -1.9 -6.0 73 4.1 -3.8 278 13 321.5 322.4 293.3 336.0 4.43 13 533 5425 -3.3 -8.2 69 4.9 -5.5 288 15 323.1 323.8 293.3 335.9 3.87 14 514 5712 -4.3 -15.3 42 11.0 -8.5 301 11 325.2 325.7 292.5 332.9 2.26 15 512 5743 -4.7 -8.4 75 3.7 -6.4 302 11 325.1 325.9 293.9 338.3 3.96 16 509 5790 -4.5 -16.5 39 12.0 -8.9 305 10 325.9 326.3 292.5 333.0 2.07 17 504 5867 -5.3 -12.3 58 7.0 -8.2 302 11 325.8 326.4 293.3 335.8 2.95 18 500 5930 -5.7 -13.7 53 8.0 -8.9 300 12 326.1 326.6 293.1 335.1 2.65 19 493 6040 -6.1 -21.1 29 15.0 -11.0 303 13 326.9 327.2 292.3 332.0 1.44 20 489 6104 -6.7 -19.7 35 13.0 -11.1 305 13 326.9 327.3 292.4 332.7 1.64 21 487 6136 -7.1 -9.2 85 2.1 -8.1 305 13 326.8 327.6 294.3 340.0 3.92 22 483 6200 -7.3 -12.3 67 5.0 -9.4 305 13 327.4 328.0 293.8 337.8 3.08 23 482 6216 -7.1 -19.1 38 12.0 -11.2 305 13 327.8 328.2 292.7 333.9 1.75 24 481 6232 -7.3 -13.3 62 6.0 -9.7 305 13 327.8 328.3 293.7 337.5 2.85 25 480 6249 -7.3 -15.3 53 8.0 -10.4 305 13 327.9 328.4 293.4 336.3 2.42 26 478 6281 -7.1 -28.1 17 21.0 -12.8 305 12 328.6 328.7 292.1 331.5 0.79 27 475 6330 -7.5 -29.5 15 22.0 -13.2 305 12 328.7 328.8 292.0 331.2 0.70 28 470 6412 -8.1 -31.1 14 23.0 -13.8 305 12 328.9 329.1 292.0 331.2 0.61 29 464 6512 -8.5 -18.5 44 10.0 -12.0 305 12 329.6 330.0 293.4 336.3 1.92 30 463 6529 -8.5 -26.5 22 18.0 -13.6 305 12 329.8 330.0 292.6 333.3 0.95 31 461 6562 -8.9 -16.9 52 8.0 -11.8 305 11 329.8 330.2 293.7 337.4 2.21 32 456 6647 -9.3 -17.3 52 8.0 -12.2 305 11 330.3 330.7 293.8 337.8 2.16 33 454 6681 -9.3 -28.3 20 19.0 -14.4 305 11 330.7 330.9 292.7 333.7 0.82 34 442 6887 -10.5 -17.5 56 7.0 -13.0 304 12 331.7 332.2 294.1 339.4 2.19 35 432 7063 -11.1 -37.1 10 26.0 -16.5 303 13 333.1 333.2 292.9 334.5 0.37 36 422 7242 -12.1 -25.1 33 13.0 -15.9 302 13 334.1 334.3 293.9 338.4 1.18 37 412 7425 -12.7 -30.7 21 18.0 -17.1 301 14 335.6 335.8 293.9 338.3 0.72 38 400 7650 -14.7 -26.7 35 12.0 -17.9 315 14 335.9 336.1 294.3 339.8 1.08 39 392 7803 -16.1 -26.1 42 10.0 -18.8 328 16 336.0 336.2 294.4 340.2 1.16 40 372 8195 -19.1 -27.1 49 8.0 -21.1 344 19 337.1 337.3 294.6 341.2 1.12 41 368 8276 -19.9 -32.9 30 13.0 -22.6 345 19 337.1 337.2 294.2 339.5 0.65 42 334 8987 -25.9 -28.8 77 2.9 -26.5 352 16 338.3 338.6 294.8 342.3 1.06 43 329 9096 -26.1 -31.0 63 4.9 -27.1 353 16 339.5 339.7 295.0 342.8 0.88 44 326 9163 -26.1 -43.1 19 17.0 -28.4 354 15 340.4 340.5 294.7 341.4 0.26 45 321 9275 -26.9 -42.9 21 16.0 -29.0 355 15 340.8 340.9 294.8 341.9 0.27 46 320 9297 -27.1 -36.1 42 9.0 -28.6 355 15 340.8 341.0 295.0 342.9 0.55 47 319 9320 -27.1 -44.1 18 17.0 -29.3 356 15 341.1 341.2 294.8 342.1 0.24 48 313 9456 -28.1 -47.1 15 19.0 -30.2 357 14 341.6 341.6 294.8 342.3 0.18 49 307 9595 -28.9 -49.9 11 21.0 -31.0 358 14 342.4 342.4 295.0 342.9 0.13 50 300 9760 -30.3 -43.3 27 13.0 -31.9 355 14 342.7 342.7 295.2 343.8 0.28 51 297 9831 -31.1 -43.1 30 12.0 -32.5 354 15 342.5 342.6 295.2 343.7 0.29 52 293 9927 -31.7 -36.7 61 5.0 -32.4 352 16 343.0 343.1 295.6 345.2 0.56 53 283 10172 -33.5 -44.5 32 11.0 -34.7 348 19 343.8 343.9 295.5 344.9 0.26 54 277 10322 -34.5 -38.4 68 3.9 -35.0 346 21 344.5 344.6 295.8 346.5 0.50 55 251 11003 -40.1 -41.2 89 1.1 -40.2 349 20 346.1 346.1 296.1 347.7 0.41 56 250 11030 -40.5 -43.0 77 2.5 -40.7 350 20 345.9 345.9 296.0 347.2 0.34 57 249 11057 -40.5 -43.4 74 2.9 -40.8 350 20 346.3 346.3 296.1 347.6 0.33 58 200 12510 -52.7 -59.7 42 7.0 -52.9 360 10 349.3 349.3 296.5 349.6 0.06 59 150 14300 -66.1 -75.1 27 9.0 -66.2 10 6 356.2 356.2 298.0 356.3 0.01 60 111 16079 -77.1 -83.1 38 6.0 -77.1 360 3 367.6 367.6 300.1 367.6 0.00 61 100 16680 -75.9 -87.9 13 12.0 -75.9 345 17 381.1 381.1 302.4 381.1 0.00 62 88 17413 -79.3 -89.3 18 10.0 -79.3 265 7 388.5 388.5 303.6 388.5 0.00 63 70 18720 -77.3 -89.3 13 12.0 -77.3 160 23 419.0 419.0 307.6 419.0 0.00 64 59 19699 -77.3 -89.3 13 12.0 -77.3 60 20 440.0 440.0 309.8 440.0 0.00 65 56 20000 -73.7 -88.7 8 15.0 -73.8 37 16 454.8 454.8 311.3 454.8 0.00 66 52 20432 -74.5 -89.5 8 15.0 -74.6 53 16 462.7 462.7 312.0 462.7 0.00 67 50 20660 -73.5 -90.5 6 17.0 -73.6 65 17 470.3 470.3 312.7 470.3 0.00 68 48 20900 -71.7 -90.7 4 19.0 -71.8 85 22 480.1 480.1 313.5 480.1 0.00 69 44 21425 -62.9 -88.9 2 26.0 -63.4 112 14 513.7 513.7 315.9 513.7 0.00 70 42 21712 -61.9 -87.9 2 26.0 -62.4 113 19 523.1 523.1 316.5 523.1 0.00 71 31 23603 -59.5 -87.5 1 28.0 -60.4 89 12 577.0 577.0 319.5 577.0 0.01 72 30 23810 -56.1 -87.1 1 31.0 -57.5 105 14 591.7 591.7 320.2 591.7 0.01 73 29 24026 -54.7 -85.7 1 31.0 -56.4 89 16 601.3 601.3 320.7 601.4 0.01 74 26 24722 -55.9 -85.9 1 30.0 -57.5 139 18 617.0 617.0 321.3 617.1 0.01 75 22 25795 -51.9 -83.9 1 32.0 -54.6 89 20 659.1 659.1 323.0 659.2 0.02 76 20 26410 -53.3 -84.3 1 31.0 -55.9 85 21 673.0 673.0 323.5 673.1 0.02 77 19 26740 -53.9 -84.9 1 31.0 -56.5 93 20 681.1 681.1 323.8 681.2 0.02 78 17 27462 -49.3 -83.3 1 34.0 -53.4 59 19 717.9 717.9 325.0 718.1 0.02 79 15 28281 -50.1 -83.1 1 33.0 -54.3 87 26 741.4 741.4 325.7 741.6 0.03 TRP 111 16079 -77.1 -83.1 38 6.0 -77.1 360 3 367.6 367.6 300.1 367.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5815.00 m Freezing level: 572.21 mb = 4864.69 m = 15960.07 ft Wetbulb zero: 594.64 mb = 4548.22 m = 14921.79 ft Precipitable water: 1.40 inches Sfc-500 mean rel hum: 62.41 % Est. max temperature: 31.36 C = 88.45 F Sfc-Lift cond lev (LCL): 850.80 mb = 1539.84 m = 5051.92 ft T: 21.67 C 700-500 lapse rate: 6.13 C/km ThetaE index: 21.95 C Layer 898.0- 700.0 mb Conv cond level (CCL): 722.97 mb = 2934.43 m = 9627.28 ft Mean mixing ratio: 13.26 g/kg Conv temperature: 33.10 C = 91.57 F Cap Strength: 3.23 C Lifted Index: -2.03 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.79 C Lifted Index @700 mb: 0.96 C Showalter Index: -1.44 C Risk: Thunderstorms probable Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 20.30 C K Index: 33.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 209.20 Risk: None Energy Index: -2.17 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 361.02 J/kg Max Up Vert Vel: 26.87 m/s Conv Inhibition (B-): 142.70 J/kg Cap Strength: 3.23 C Lift Cond Lev (LCL): 788.61 mb = 2190.60 m = 7186.93 ft Lev Free Conv (LFC): 633.61 mb = 4028.95 m = 13218.17 ft Equ Level (EL): 243.61 mb = 11202.39 m = 36752.79 ft B at Equ Level: 359.52 J/kg Max Parcel Lev (MPL): 143.61 mb = 14557.20 m = 47759.25 ft Wind level data Storm motion: 314 at 9 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 915 908 10 5 -0.9 -4.9 | 100 7 -7.4 1.3 1 883 1219 320 10 6.4 -7.7 | 2 1 -0.1 -1.4 2 850 1548 315 11 7.8 -7.8 | 320 2 1.3 -1.5 3 794 2134 290 11 10.3 -3.8 | 237 5 3.9 2.5 4 766 2438 285 12 11.6 -3.1 | 238 6 5.1 3.2 5 739 2743 270 14 14.0 -0.0 | 230 10 7.5 6.3 6 713 3048 265 19 18.9 1.7 | 238 15 12.4 7.9 7 700 3206 260 15 14.8 2.6 | 223 12 8.3 8.9 8 662 3658 260 14 13.8 2.4 | 220 11 7.3 8.7 9 614 4267 255 9 8.7 2.3 | 194 9 2.2 8.6 10 569 4877 270 11 11.0 -0.0 | 216 8 4.5 6.3 11 528 5486 290 15 14.1 -5.1 | 262 8 7.6 1.1 12 509 5791 305 10 8.2 -5.7 | 253 2 1.7 0.5 13 500 5930 300 12 10.4 -6.0 | 266 4 3.9 0.3 14 489 6096 305 13 10.6 -7.5 | 286 4 4.2 -1.2 15 452 6706 305 11 9.0 -6.3 | 271 3 2.5 -0.1 16 402 7620 300 15 13.0 -7.5 | 281 7 6.5 -1.2 17 400 7650 315 14 9.9 -9.9 | 317 5 3.4 -3.6 18 385 7925 340 17 5.8 -16.0 | 4 10 -0.7 -9.7 19 370 8230 345 19 4.9 -18.4 | 7 12 -1.6 -12.1 20 300 9754 360 13 -0.0 -13.0 | 44 9 -6.5 -6.7 21 300 9760 355 14 1.2 -13.9 | 34 9 -5.3 -7.7 22 263 10668 340 25 8.6 -23.5 | 353 17 2.1 -17.2 23 250 11030 350 20 3.5 -19.7 | 13 14 -3.0 -13.4 24 210 12192 10 11 -1.9 -10.8 | 61 10 -8.4 -4.6 25 200 12510 360 10 -0.0 -10.0 | 60 7 -6.5 -3.7 26 157 14021 35 4 -2.3 -3.3 | 109 9 -8.8 3.0 27 150 14300 10 6 -1.0 -5.9 | 93 8 -7.5 0.3 28 128 15240 355 10 0.9 -10.0 | 57 7 -5.6 -3.7 29 121 15545 5 17 -1.5 -16.9 | 37 13 -8.0 -10.7 30 115 15850 320 10 6.4 -7.7 | 2 1 -0.1 -1.4 31 111 16079 360 3 -0.0 -3.0 | 117 7 -6.5 3.3 32 104 16459 10 3 -0.5 -3.0 | 115 8 -7.0 3.3 33 100 16680 345 17 4.4 -16.4 | 12 10 -2.1 -10.2 34 93 17069 335 12 5.1 -10.9 | 17 5 -1.4 -4.6 35 84 17678 210 3 1.5 2.6 | 151 10 -5.0 8.9 36 72 18593 180 11 0.0 11.0 | 159 18 -6.5 17.3 37 70 18720 160 23 -7.9 21.6 | 153 31 -14.3 27.9 38 64 19202 155 26 -11.0 23.6 | 150 35 -17.5 29.8 39 58 19812 40 19 -12.2 -14.6 | 66 20 -18.7 -8.3 40 55 20117 35 14 -8.0 -11.5 | 70 15 -14.5 -5.2 41 50 20660 65 17 -15.4 -7.2 | 88 22 -21.9 -0.9 42 49 20726 115 27 -24.5 11.4 | 120 36 -31.0 17.7 43 47 21031 65 19 -17.2 -8.0 | 86 24 -23.7 -1.8 44 45 21336 110 10 -9.4 3.4 | 121 19 -15.9 9.7 45 43 21641 115 21 -19.0 8.9 | 121 30 -25.5 15.1 46 41 21946 110 15 -14.1 5.1 | 119 24 -20.6 11.4 47 39 22250 100 24 -23.6 4.2 | 109 32 -30.1 10.4 48 37 22555 60 15 -13.0 -7.5 | 86 20 -19.5 -1.2 49 35 22860 45 18 -12.7 -12.7 | 71 20 -19.2 -6.5 50 33 23165 75 12 -11.6 -3.1 | 100 18 -18.1 3.2 51 32 23470 100 10 -9.8 1.7 | 116 18 -16.3 8.0 52 30 23774 75 14 -13.5 -3.6 | 98 20 -20.0 2.6 53 30 23810 105 14 -13.5 3.6 | 116 22 -20.0 9.9 54 29 24079 85 16 -15.9 -1.4 | 102 23 -22.4 4.9 55 27 24384 95 6 -6.0 0.5 | 119 14 -12.5 6.8 56 26 24689 140 17 -10.9 13.0 | 138 26 -17.4 19.3 57 25 24994 130 24 -18.4 15.4 | 131 33 -24.9 21.7 58 24 25298 90 23 -23.0 0.0 | 102 30 -29.5 6.3 59 23 25603 105 18 -17.4 4.7 | 115 26 -23.9 10.9 60 22 25908 80 21 -20.7 -3.6 | 95 27 -27.2 2.6 61 21 26213 105 18 -17.4 4.7 | 115 26 -23.9 10.9 62 20 26410 85 21 -20.9 -1.8 | 99 28 -27.4 4.4 63 19 26518 100 20 -19.7 3.5 | 110 28 -26.2 9.7 64 16 27127 50 19 -14.6 -12.2 | 74 22 -21.0 -6.0 65 15 27432 90 27 -27.0 0.0 | 101 34 -33.5 6.3 66 14 27737 70 17 -16.0 -5.8 | 91 22 -22.5 0.4 67 12 28346 80 37 -36.4 -6.4 | 90 43 -42.9 -0.2 Wind Parameters Mean winds (0-6000m): 284.0 at 12.0 knts Storm direction: 314.0 at 9.0 knts Shear (0-3000m) pos: 0.0 neg: 2.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 110.4 deg Storm rel helicity (0-3000m) pos: 3.8 neg: -29.2 tot: -25.4 m^2/s^2 ave: -8.5 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 39.43 Bulk Shear: 9.16 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 328 9 63 2| 0.0 8.8 8.8| 0.0 -6.0 -6.0 -12.1 -0.71| 9.5 -6.7 1000 317 10 353 1| 0.0 5.4 5.4| 0.0 -7.9 -7.9 -7.9 -0.76| 6.6 -5.0 1500 307 10 269 2| 0.0 4.3 4.3| 0.1 -9.0 -8.9 -6.0 -0.68| 5.4 -3.7 2000 297 11 250 4| 0.0 4.7 4.7| 2.4 -11.0 -8.6 -4.3 -0.48| 5.8 -2.8 2500 287 12 243 6| 0.0 3.5 3.5| 3.8 -23.1 -19.3 -7.7 -0.49| 5.9 -2.9 3000 282 12 237 7| 0.0 2.5 2.5| 3.8 -29.2 -25.4 -8.5 -0.52| 5.4 -2.8 4000 277 12 227 7| 0.4 1.9 2.2| 10.7 -35.4 -24.7 -6.2 -0.41| 4.8 -2.0 5000 279 12 231 7| 0.9 1.5 2.4| 22.8 -35.7 -12.9 -2.6 -0.19| 5.2 -1.0 6000 284 12 237 6| 0.8 1.3 2.1| 24.5 -36.4 -12.0 -2.0 -0.16| 4.7 -0.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251227.12.gif